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Re: External auth program.

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On ons, 2007-09-19 at 14:27 -0600, Sherwood Botsford wrote:

> I have written a proof of principal perl program that initially 
> prompts the user to create three questions that he will know the 
> answer to.  From that point on, it will ask one of the questions 
> so that he can prove who he is, and will ask him to create a new 
> question and answer for his account.   Answers have to be unique 
> over the student body.  (Once one person has used "green" as an 
> answer, no one else can use green.)
> 
> Unless the student creates a crib sheet for his friends, loaning 
> an account is impractical.
> 
> I can't figure out how to tie this into squid.  Is it even 
> possible, or do I have to tie it into pf instead?  (Both squid 
> and pf run on Openbsd.)  Pointers appreciated.

To integrate a solution like this with Squid you need to have some web
page doing the question thing and registering the client station as
"trusted" in a file or DB, then use and external acl to have Squid query
this registry and deny_info to redirect the user to the "question page"
if no active session is found.

Note: max_user_ip restricting the user to a single IP at a time is
probably about just as effective. Especially with a long TTL.

Regards
Henrik

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